21085550936

素因数分解:

$2^3\times {\mathrm{881}}^1\times {\mathrm{2991707}}^1$

素因数の和:2992594

約数の個数: 16

約数和(自身を含む): 39580296840

約数和(自身を除く): 18494745904

約数列:

[1, 2, 4, 8, 881, 1762, 3524, 7048, 2991707, 5983414, 11966828, 23933656, 2635693867, 5271387734, 10542775468, 21085550936]

約数ペア:

[(1, 21085550936), (2, 10542775468), (4, 5271387734), (8, 2635693867), (881, 23933656), (1762, 11966828), (3524, 5983414), (7048, 2991707)]